Dating topography of the sierra nevada
From north to south, the Susan River flows into intermittent Honey Lake, the Truckee River flows from Lake Tahoe into Pyramid Lake, the Carson River runs into Carson Sink, the Walker River into Walker Lake; Rush, Lee Vining and Mill Creeks flow into Mono Lake; and the Owens River into dry Owens Lake.
Although none of the eastern rivers reach the sea, many of the streams from Mono Lake southwards are diverted into the Los Angeles Aqueduct which provides water to Southern California.
The Sierra is home to three national parks, twenty wilderness areas, and two national monuments.Starting in 1981, hikers were unable to enter the Area from May 15 through December 15, in order to protect the sheep.As of 2010, the restriction has been lifted and access to the Area is open for the whole year.) is a mountain range in the Western United States, between the Central Valley of California and the Basin and Range Province.The vast majority of the range lies in the state of California, although the Carson Range spur lies primarily in Nevada.